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Jarek Jarcec Cecho
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[ZOOKEEPER-1709] Limit the size of txnlog file
...The server only create a new log file after ~100k txn. The size of txnlog file can be quite large (> 1GB) if request size is big.This will cause the server not to use txnlog to sync with ...
, 2013-05-18, 02:40
[ZOOKEEPER-1692] Add support for single member ensemble
...In the past, we ran into problem where quorum could not be formed multiple times. It take a while to investigate the root cause and fix the problem.Our current solution is to make it possibl...
, 2013-04-23, 23:42
[ZOOKEEPER-1648] Fix WatcherTest in JDK7
...JDK7 run unit tests in random order causing intermittent WatcherTest failure. The fix is to clean up static variable that interfere with other tests....
, 2013-02-19, 11:02
[ZOOKEEPER-1644] Add support for compressed SetWatches packet
...On reconnect with a server to restore its session, a client have to send all watched paths via SetWatches packet to the server. This can be potentially large and exceeded server-side buffer ...
, 2013-02-16, 00:42
[ZOOKEEPER-1608] Add support for key-value store as optional storage engine
...Problem:1. ZooKeeper need to load the entire dataset into its memory. So the total data size and number of znode are limited by the amount of available memory.2. We want to minimize ZooKeepe...
, 2013-01-24, 19:22
[ZOOKEEPER-1609] Improve ZooKeeper performance under mixed workload
...ZOOKEEPER-1505 allows 1 write or N reads to pass through the CommitProcessor at any given time. I did performance experiment similar to http://wiki.apache.org/hadoop/ZooKeeper/Performance an...
, 2013-01-14, 18:48
[ZOOKEEPER-1484] Missing znode found in the follower
...We noticed that one of the follower fail to restart due to missing parent node2012-05-29 15:44:41,037 [myid:9] - INFO [main:FileSnap@83] - Reading snapshot /var/facebook/zeus-server/data/glo...
, 2012-06-16, 02:04
[ZOOKEEPER-1436] Add ZOO_TIMED_OUT_STATE sesion event to notify client about timeout during reconnection
...The zookeeper c client knows how long its session will last, and periodically pings in order to keep that session alive. However, if it loses connection, it hops from ensemble member to ense...
, 2012-06-01, 01:41
[ZOOKEEPER-1447] Per-connection network throttling to improve QoS
...Some clients maybe a heavy bandwidth user. It is possible for the total network traffic to reach NIC capacity and service quality start to degrade. We don't want these clients to affect the ...
, 2012-04-16, 23:56
[ZOOKEEPER-1429] Response packet caching for get request
...Motivation:In our scalability testing, we have a large number of clients watching for data changes. All of them fetch data immediately when a watch is fired. We found that GC consumes signif...
, 2012-03-21, 17:58
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